In my 2-Minute Neuroscience videos I simplistically explain neuroscience topics in 2 minutes or less. In this video, I discuss the blood-brain barrier, a complex that surrounds most of the blood vessels in the brain and protects the brain from potentially dangerous substances that might be circulating in the blood stream. I discuss the tight junctions of endothelial cells as one of the main structural components of the blood-brain barrier, as well as describe the contribution of astrocytic end-feet to the f
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